# MDK Studio vs Calio

The clearest difference is in-app purchases: MDK Studio at none against Calio's 3. MDK Studio also leads on iOS requirement (13.4 vs 17.0). Calio's advantage is update cadence (daily vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Calio sells 3 in-app purchases, starting at $2.99 per month. MDK Studio asks for nothing beyond the download.

MDK Studio ships an update every 16 months, Calio daily. The most recent releases landed on October 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | MDK Studio | Calio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Daily** |
| Size | 36 MB | 15 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MDK Studio](https://appshunter.io/developer/1521624985) | [EMIRHAN SAYGIVER](https://appshunter.io/developer/1726573595) |

## What reviewers say

### MDK Studio

[App page](https://appshunter.io/ios/app/mdk-studio/id1521624983)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calio

[App page](https://appshunter.io/ios/app/calio-ai-calorie-tracker/id6747637539)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $12.99 | per year |
| Yearly Pro | $17.99 | per year |


## Frequently asked questions

### Is MDK Studio free?

MDK Studio is free to download, with no in-app purchases.

### Is Calio free?

Calio is free to download, with in-app purchases available.

### Do MDK Studio or Calio have ads?

Neither MDK Studio nor Calio shows ads.

### Which is updated more often, MDK Studio or Calio?

MDK Studio ships an update every 16 months, and Calio daily. Most recently, MDK Studio was updated on October 18, 2026 and Calio on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*